#0B073F#0B073F

#0B073F is a very dark, moderate blue. Relative luminance 0.006; OKLCH L 19.0% C 0.100 H 274.6°. Best body text is #FFFFFF at 18.81:1 contrast (WCAG AA passes).

Color values

HEX	#0B073F
RGB	rgb(11, 7, 63)
HSL	hsl(244, 80%, 14%)
HSV	hsv(244, 89%, 25%)
CMYK	cmyk(82.5%, 88.9%, 0%, 75.3%)
CIE-LAB	lab(5.26, 21.85, -33.78)
CIE-LCH	lch(5.26, 40.23, 302.89°)
OKLab	oklab(19.02% 0.0081 -0.0997)
OKLCH	oklch(19.02% 0.1 274.6)
XYZ	xyz(1.1109, 0.5819, 4.7554)
Luminance	0.0058 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Night Blue

#040348

ΔE00 2.78

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#0B073F #3B3F07

analogous

#071F3F #0B073F #27073F

triadic

#0B073F #3F0B07 #073F0B

tetradic

#0B073F #3F071F #3B3F07 #073F27

square

#0B073F #3F071F #3B3F07 #073F27

split-complementary

#0B073F #3F2707 #1F3F07

monochromatic

#05031C #05031C #0B073F #150D76 #1E13AD

Accessibility & contrast

On white

18.81

#0B073F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.12

#0B073F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #0B073F

18.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##0B073F	#FFFFFF	#000000	##FFFFFF
##0B073F	1.00	18.81	1.12	18.81
#FFFFFF	18.81	1.00	21.00	1.00
#000000	1.12	21.00	1.00	21.00
##FFFFFF	18.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001441

Deuteranopia (green-blind)

#000F3E

Tritanopia (blue-blind)

#001823

Achromatopsia (no color)

#111111

Design tokens & code

CSS

--color: #0b073f;
/* rgb */ color: rgb(11, 7, 63);
/* oklch */ color: oklch(19.0% 0.100 274.6);

Tailwind

colors: {
  custom: {
    50: '#544975',
    500: '#0b073f',
    950: '#000000',
  },
}

SCSS

$custom: #0b073f;
$custom-light: #544975;
$custom-dark: #000000;

JSON

{
  "hex": "#0b073f",
  "rgb": {
    "r": 11,
    "g": 7,
    "b": 63
  },
  "hsl": {
    "h": 244.286,
    "s": 80,
    "l": 13.725
  },
  "oklch": {
    "l": 0.19018,
    "c": 0.09999,
    "h": 274.6
  },
  "luminance": 0.00582
}

Semantic roles & 50–950 ramp

primary

#0B073F

secondary

#787E24

accent

#F631E8

background

#F5F4F7

surface

#E9E6ED

border

#C5C2C8

text

#030008

muted

#78777B

Preview Lab

Preview with #0B073F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →